CN104903550A - Method for attaching/removing stationary blade ring and auxiliary support device for stationary blade segment used in said method - Google Patents

Method for attaching/removing stationary blade ring and auxiliary support device for stationary blade segment used in said method Download PDF

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Publication number
CN104903550A
CN104903550A CN201380069666.6A CN201380069666A CN104903550A CN 104903550 A CN104903550 A CN 104903550A CN 201380069666 A CN201380069666 A CN 201380069666A CN 104903550 A CN104903550 A CN 104903550A
Authority
CN
China
Prior art keywords
quadrant
housing
stator blade
blade
upper shell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201380069666.6A
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Chinese (zh)
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CN104903550B (en
Inventor
井义幸
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Power Ltd
Original Assignee
Mitsubishi Hitachi Power Systems Ltd
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Filing date
Publication date
Application filed by Mitsubishi Hitachi Power Systems Ltd filed Critical Mitsubishi Hitachi Power Systems Ltd
Priority to CN201610217321.6A priority Critical patent/CN105863749B/en
Publication of CN104903550A publication Critical patent/CN104903550A/en
Application granted granted Critical
Publication of CN104903550B publication Critical patent/CN104903550B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/60Mounting; Assembling; Disassembling
    • F04D29/64Mounting; Assembling; Disassembling of axial pumps
    • F04D29/644Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/24Casings; Casing parts, e.g. diaphragms, casing fastenings
    • F01D25/246Fastening of diaphragms or stator-rings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/28Supporting or mounting arrangements, e.g. for turbine casing
    • F01D25/285Temporary support structures, e.g. for testing, assembling, installing, repairing; Assembly methods using such structures
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D19/00Axial-flow pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/52Casings; Connections of working fluid for axial pumps
    • F04D29/54Fluid-guiding means, e.g. diffusers
    • F04D29/541Specially adapted for elastic fluid pumps
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00Aeronautics or air transport
    • Y02T50/60Efficient propulsion technologies, e.g. for aircraft
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49316Impeller making
    • Y10T29/4932Turbomachine making
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49316Impeller making
    • Y10T29/49329Centrifugal blower or fan

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Manufacture Of Motors, Generators (AREA)

Abstract

The present invention executes a casing disposing step that disposes a top casing (20u) at a workable position that secures a space such that it is possible to dispose a stationary blade segment (11) attached to the top casing (20u) below the top casing (20u) and orients the split surface of the top casing (20u) downwards. Next, the present invention executes a segment moving step for moving the stationary blade segment (11) attached to the top casing (20u) in the peripheral direction (Dc) and disposing same at the space below the top casing (20u).

Description

The auxiliary support apparatus of the assembly and disassembly methods of fixed blade ring and the stator blade quadrant of use the method
Technical field
The present invention relates to a kind of assembly and disassembly methods being formed as ring-type, in a circumferential direction alienable fixed blade ring, and the auxiliary support apparatus of the stator blade quadrant of use the method.No. 2013-051664, the Japan Patent Patent that the present invention filed an application to Japan according on March 14th, 2013, CLAIM OF PRIORITY, and by its content quotation in this as reference.
Background technique
As a kind of compressor of rotating machinery, there is axial flow compressor.This axial flow compressor possesses: the rotor rotated centered by axis, rotatably cover this rotor housing and centered by axis circlewise and be arranged on the fixed blade ring of housing inner circumferential side.This axial flow compressor, from the angle etc. of its easy assembling performance, housing can be divided into upper shell and lower shell body, and fixed blade ring also can be divided into multiple stator blade quadrant in a circumferential direction.In upper shell and lower shell body, be formed and cave in outside diametric(al) inside diametric(al), the blade annular groove extended in a circumferential direction.Each stator blade quadrant is assembled on any one blade annular groove of upper shell or lower shell body.
But, when checking rotating machinery inside as above and repair, need to take upper shell apart.Therefore, in following patent documentation 1, disclose one and upper compartment and upper shell are taken apart from lower compartment and lower shell body, make it reverse, to the method that the inside of opening up upper compartment checks and repairs.
In addition, in following patent documentation 2, disclose a kind of housing opening split double upward, use the method that stator blade quadrant is extracted towards upside from this housing by chain block etc.
At first technical paper
Patent documentation
Patent documentation 1: Japanese Patent Laid-Open 10-317912 publication
Patent documentation 2: Japan Patent Beneficial 4-109820 publication
Summary of the invention
The problem that invention will solve
Suppose in the method described in above-mentioned patent documentation 2, when the stator blade quadrant be arranged on upper shell is dismantled, need to utilize the method described in above-mentioned patent documentation 1 to make the above-below direction of upper shell inverted.When making upper shell reverse as above, the heavy machineries such as crane must be used for a long time, and producing the problem needing cost to increase because of inspection and repairing etc.Furthermore, in order to allow upper shell reverse, the building ceiling board that rotating machinery is housed must have the height that upper shell is reversed, and result also in the problem increasing original cost like this.
Therefore, the present invention is conceived to the problems referred to above, and object is to provide a kind of assembly and disassembly methods that can control fixed blade ring for the cost spent by the installation of the fixed blade ring of housing and dismounting, and provides the fixture of dismounting of fixed blade ring.
For solving the method for problem
As the assembly and disassembly methods of the fixed blade ring of the form of the present invention for solving the problem,
It is the assembly and disassembly methods of the fixed blade ring in rotating machinery, described rotating machinery possesses: the rotor rotated centered by axis, rotatably cover the housing of described rotor, and centered by described axis, form ring-type and be arranged on the fixed blade ring of described housing inner circumferential side, and, described fixed blade ring centered by described axis circumferentially, multiple stator blade quadrant can be divided into, described housing circumferentially can be divided into multiple partial shell described, in multiple described partial shell respectively with described axis for benchmark, cave in outside diametric(al) inside diametric(al), the blade annular groove circumferentially extended described in being formed in, multiple described stator blade quadrant is assemblied in the blade annular groove of any one partial shell in the middle of multiple described partial shell,
It is characterized in that, perform following operation: housing arrangement step, described object housing is configured in and guarantees the stator blade quadrant of installing or be arranged on described object housing and object quadrant to be configured on the operable position in the space below described object housing by any one partial shell and object housing in the middle of multiple described partial shell with the parting plane between other partial shell downward by it; Quadrant mobile process, described object quadrant moves towards described circumferencial direction for the object housing be configured on described operable position by it, and is configured in the space below described object housing, or is assemblied in the blade annular groove of described object housing.
In the assembly and disassembly methods of this fixed blade ring, suppose that at object housing be when covering the partial shell on the upside of rotor, under the ventricumbent state of the segmentation of this segmentation housing, this partial shell is carried out to dismounting and the installation of stator blade quadrant, therefore do not need to reverse to the above-below direction of this partial shell.Therefore, in this assembly and disassembly methods, when configuration section housing, do not need to use the heavy machineries such as crane for a long time, thus the installation of fixed blade ring and the cost required for dismounting can be controlled.Further, in this assembly and disassembly methods, do not need in order to inversion section housing, and deliberately improve the heights of ceilings of building, thus can space be saved, control original cost.Thus, according to this assembly and disassembly methods, can control for the fixed blade ring of housing installation and dismounting spent by cost.
At this, in the assembly and disassembly methods of described fixed blade ring, described housing can be used as multiple partial shell, and have the upper shell formed on the upside of described housing and the lower shell body formed on the downside of described housing, described object housing also can be described upper shell.
In addition, have as described partial shell described upper shell and described lower shell body rotating machinery fixed blade ring assembly and disassembly methods in, in described housing arrangement step, can be configured between the relative position of housing on described lower shell body and described operable position at described upper shell, maintain the parting plane state downward of described upper shell, and move described upper shell simultaneously.
In addition, described in above-mentioned any one fixed blade ring assembly and disassembly methods in, in described housing arrangement step, by described object housing is placed on support described object housing from below housings support platform on, thus described object housing is configured on described operable position, and maintain the state that described object housing is configured in described operable position.
In the assembly and disassembly methods of this fixed blade ring, by object housing is placed on housings support platform, thus this object housing is configured on operable position.Therefore, in this assembly and disassembly methods, when installation and the dismounting of the object housing on operable position being carried out to stator blade quadrant, do not need to use crane etc. to be sling by this object housing.Thus, utilize this assembly and disassembly methods, do not need to use the heavy machineries such as crane for a long time, thus the installation of fixed blade ring and the cost required for dismounting can be controlled further.And utilize this assembly and disassembly methods, when installation and the dismounting of carrying out stator blade quadrant, object shell stability, therefore, it is possible to installation and the dismounting of easily this object housing being carried out to stator blade quadrant.
In addition, described in above-mentioned any one fixed blade ring assembly and disassembly methods in, in described quadrant mobile process, the auxiliary support apparatus supporting described object quadrant can be used, support the object quadrant in the space being configured or being configured at below described object housing.
In the assembly and disassembly methods of this fixed blade ring, when mobile between the space making object quadrant below object housing and this object housing, by using auxiliary support apparatus, can the damage caused because object quadrant falls accidentally be reduced to minimum.
In addition, in the assembly and disassembly methods of fixed blade ring using described auxiliary support apparatus, described auxiliary support apparatus can have relative with the outer circumferential face of described object quadrant, form arc-shaped with the curvature corresponding to described outer circumferential face curvature and support the guide rail of described stator blade quadrant, and described auxiliary support apparatus is configured in described quadrant mobile process, its elongation line being configured to the circular arc of the guide rail at described auxiliary support apparatus exists and is equipped with or will the blade annular groove of the object housing of described object quadrant be assembled, and described object quadrant is moved along described blade annular groove and described guide rail.
In the assembly and disassembly methods of this fixed blade ring, by the mobile object quadrant along guide rail, the installation and removal of object quadrant easier can be carried out to object housing with less strength.
As the auxiliary support apparatus of the stator blade quadrant of the form of the present invention for solving the problem,
It is characterized in that having relative with the outer circumferential face of the stator blade quadrant of a part for the circumferencial direction of the fixed blade ring formed in the form of a ring, form arc-shaped with the curvature corresponding to described outer circumferential face curvature and support the guide rail of described stator blade quadrant.
When this auxiliary support apparatus of use, the elongation line of the circular arc of the guide rail of this auxiliary support apparatus exists and is equipped with or the mode of the blade annular groove being assembled the housing of stator blade quadrant is configured auxiliary support apparatus.Further, the mobile stator blade quadrant by the guide rail of the arc-shaped along this auxiliary support apparatus, thus housing is carried out to the installation or removal of stator blade quadrant.Thus, by using this auxiliary support apparatus, the installation and removal of stator blade quadrant easily can be carried out to housing with less strength.
At this, in the auxiliary support apparatus of described stator blade quadrant, can in the two ends of described guide rail, relative to the tangent line vertically direction of one end.
Housing is made up of upper shell and lower shell body, in the ventricumbent situation of the segmentation of this upper shell, relative to the tangent line of circumferencial direction one end of the blade annular groove of upper shell from fact vertically direction.Therefore, under the parting plane state downward of upper shell, use this auxiliary support apparatus, this upper shell is installed or dismounting stator blade quadrant when, the continuity of the blade annular groove of guide rail and upper shell can be guaranteed.Thus, in this case, installation or the dismounting of stator blade quadrant can be carried out very swimmingly to the blade annular groove of upper shell.
In addition, described in above-mentioned any one stator blade quadrant auxiliary support apparatus in, described guide rail can be provided with and contact with described stator blade quadrant and the multiple rollers rolled.
Less traction when stator blade quadrant can be made to move along guide rail by this auxiliary support apparatus, can move stator blade quadrant relatively easily.
In addition, described in above-mentioned any one stator blade quadrant auxiliary support apparatus in, can possess and described guide rail is installed and transportable chassis.
By this auxiliary support apparatus, movement the stator blade quadrant on guide rail can be mounted in relatively easily.
Invention effect
The present invention can control for the fixed blade ring of housing installation and dismounting spent by cost.
Accompanying drawing explanation
Fig. 1 is the major component notches sides figure of the gas turbine in one embodiment of the present invention.
Fig. 2 is the cross-sectional view of the compressor in one embodiment of the present invention.
Fig. 3 is the perspective view of the stator blade quadrant in one embodiment of the present invention.
Fig. 4 is the IV-IV line sectional view in Fig. 2.
Fig. 5 is the flow chart of the disassembly sequence of the fixed blade ring represented in one embodiment of the present invention.
Fig. 6 is the flow chart of the erection sequence of the fixed blade ring represented in one embodiment of the present invention.
Fig. 7 is the profile of the upper shell on the operable position in one embodiment of the present invention.
Fig. 8 is the dismounting preparatory process of the stator blade quadrant represented in one embodiment of the present invention and the explanatory drawing of installation mobile process.
Fig. 9 is the dismounting mobile process of the stator blade quadrant represented in one embodiment of the present invention and the explanatory drawing of installation preparatory process.
Figure 10 is the explanatory drawing of the carrying operation of the stator blade quadrant represented in one embodiment of the present invention.
Figure 11 is the dismounting preparatory process of other stator blade quadrants represented in one embodiment of the present invention and the explanatory drawing of installation mobile process.
Figure 12 is the dismounting mobile process of other stator blade quadrants represented in one embodiment of the present invention and the explanatory drawing of installation preparatory process.
Figure 13 is the explanatory drawing of the carrying operation of other stator blade quadrants represented in one embodiment of the present invention.
Figure 14 is the explanatory drawing of the installation mobile process of the stator blade quadrant represented in one embodiment of the present invention.
Figure 15 is the profile of the auxiliary support apparatus in one embodiment of the present invention.
Figure 16 is the XVI-XVI line sectional view in Figure 15.
Figure 17 is the XVII-XVII line sectional view in Figure 15.
Embodiment
Below with regard to the assembly and disassembly methods of stator blade quadrant of the present invention, and a mode of execution of the auxiliary support apparatus of the stator blade quadrant of use the method, be described in detail referring to figs. 1 through Figure 17.
First, the rotating machinery possessing fixed blade ring is described.
As shown in Figure 1, gas turbine possesses: compression outside air is to generate compressed-air actuated compressor 1; Fuel from fuel supply source is mixed with pressurized air, makes it burn and generate the burner 4 of combustion gas; And utilize the turbo machine 5 of combustion gases drive.
Turbo machine 5 is rotating machineries, has the turbine rotor 6 rotated centered by axis Ar and the turbine cylinder 7 allowing turbine rotor 6 selectively cover.In addition, compressor 1 is also rotating machinery, has the compressor drum 2 rotated centered by above-mentioned axis Ar and the compressor housing 3 rotatably covering this compressor drum 2.This gas turbine also has the compressor covering turbo machine 5 side of compressor drum 2 and compressor 1 side of turbine rotor 6 holds concurrently turbine cylinder 8.Compressor housing 3, turbine cylinder 7 and compressor turbine cylinder 8 of holding concurrently all is formed as tubular centered by axis Ar.These compressor housings 3, turbine cylinder 7 and compressor are held concurrently turbine cylinder 8, in order to easy to assembly, all may be partitioned into upper shell 3u, 7u, 8u and these two-part of lower shell body 3d, 7d, 8d.Be interconnected between turbine rotor 6 and compressor drum 2, centered by axis Ar, integration rotates.
In addition, below using the bearing of trend of axis Ar as axial Da, using the diametric(al) relative to axis Ar only as diametric(al) Dr.In addition, in axial Da, with turbo machine 5 for benchmark, using compressor 1 side as upstream side, with compressor 1 for benchmark, using turbo machine 5 side as downstream side.
In the inner circumferential side of compressor housing 3, axial Da is arranged side by side multiple multiple fixed blade rings 10 being formed ring-type centered by axis Ar.As shown in Figure 2, in order to easy to assembly, each fixed blade ring 10 all can be split as multiple stator blade quadrant 11 on circumferencial direction Dc.At this, a fixed blade ring 10 is made up of four stator blade quadrants 11.In addition, two stator blade quadrants 11 in the middle of four stator blade quadrants 11 are installed on upper shell, and two remaining stator blade quadrants 11 are installed on lower shell body.In addition, be that use four stator blade quadrants 11 form a fixed blade ring 10 at this, but when less than four, such as, also can form a fixed blade ring by two stator blade quadrants, and in more than five situations, such as, also can form a fixed blade ring by eight stator blade quadrants.
Compressor housing 3, turbine cylinder 7 and compressor are held concurrently upper shell 3u, 7u, 8u of turbine cylinder 8 and lower shell body 3d, 7d, 8d, and all vertical relative to axis Ar sectional shape is formed as semicircle arcuation.In addition, upper shell 3u, 7u, 8u and lower shell body 3d, 7d, 8d, be all formed at the two end part of circumferencial direction Dc at diametric(al) flange 25u, 25d protruding outside.Upper shell 3u, 7u, 8u and lower shell body 3d, 7d, 8d are the housing connecting screws 26 by the through flange of self and the flange of the other side side, and the nut 27 tightening this housing connecting screw 26 carries out connecting.In addition, by the flange 25u of upper shell 3u, 7u, 8u face in lower shell body side, one side namely towards downside forms parting plane 28u, and by the flange 25d of lower shell body 3d, 7d, 8d in the face of upper shell side, the one side namely towards upside forms parting plane 28d.
As shown in Figure 3, in each stator blade quadrant 11, its outer circumferential face 19o and inner peripheral surface 19i is all formed as arc-shaped centered by axis Ar.This stator blade quadrant 11 to have on circumferencial direction Dc multiple stator blades 12 side by side, be equipped with the link press span 16 of the diametric(al) inboard portion of multiple stator blade 12 and by the interconnective not shown connecting band on circumferencial direction Dc of the part outside the diametric(al) of multiple stator blade 12.
Stator blade 12 have diametric(al) Dr extend blade body 13, the inner side be arranged on inside blade body 13 diametric(al) covers ring 14 and ring 15 is covered in the outside be arranged on outside the diametric(al) of blade body 13.Ring 14 is covered in inner side link press span 16 being equipped with each stator blade 12.In addition, ring 15 is covered in the outside that not shown connecting band connects each stator blade 12.
In addition, use link press span 16 to bring with not shown connection at this and is connected multiple stator blade 12, thus a formation stator blade quadrant 11, but when connecting multiple stator blade 12, arbitrary method can be used connect.
As shown in Figure 4, the upper shell 3u of compressor housing 3 and lower shell body 3d is formed and caves in outside diametric(al) inside diametric(al), the blade annular groove 22 that circumferencial direction Dc extends.The peripheral part 18 of stator blade quadrant 11 is arranged on this blade annular groove 22.In addition, as shown in Figure 3, in present embodiment, the structure of the peripheral part 18 of stator blade quadrant 11 is the not shown connecting band that the outside with multiple stator blade 12 is covered ring 15 and they coupled together.
Next, according to the flow chart shown in Fig. 5, the disassembly sequence of fixed blade ring 10 is described.
First, as shown in Figure 7, at Work places stator blade quadrant 11 dismantled from the upper shell of compressor housing 3, each upper shell configuring turbine cylinder 8 of compressor housing 3 and compressor being held concurrently carries out the multiple housings support platforms 40 supported from below, i.e. S10: the arrangement step of housings support platform.
Next, while the nut 27 shown in the connection upper shell 3u of compressor housing 3 and the housing connecting screw 26 of lower shell body 3d and Fig. 2 is dismantled, the upper shell 8u of turbine cylinder 8 and the housing connecting screw of lower shell body 8d that connection compressor is held concurrently and nut dismounting, i.e. S11: operation is removed in the connection of upper shell.
Next, as shown in Figure 7, under the upper shell 8u of turbine cylinder 8 of the upper shell 3u of compressor housing 3 and compressor being held concurrently keeps the state be connected, crane etc. is utilized to move each upper shell 3u, 8u, place it on multiple housings support platforms 40 of Work places Pw, i.e. S12: housing arrangement step.In this housing arrangement step (S12), the parting plane 28u of each upper shell 3u, 8u maintains state downward, moves with seasonal each upper shell 3u, 8u.In addition, in case of no particular description, the upper shell 8u of turbine cylinder 8 of the upper shell 3u of compressor housing 3 and compressor being held concurrently below altogether, is referred to as upper shell 20u.In addition, at this, hold concurrently under the upper shell 8u of turbine cylinder 8 keeps the state be connected at the upper shell 3u and the compressor that maintain compressor housing 3, mobile each upper shell 3u, 8u, but also can remove the upper shell 3u of compressor housing 3 and compressor to hold concurrently the connection of upper shell 8u of turbine cylinder 8, only move the upper shell 3u of compressor housing 3, and only this upper shell 3u is placed on multiple housings support platform 40.
If be placed on by upper shell 20u on multiple housings support platform 40, then upper shell 20u can be configured to the parting plane 28u of upper shell 20u downward, and at least guarantees below upper shell 20u on the operable position in the space configuring stator blade quadrant 11.That is, in this housing arrangement step (S12), upper shell 20u utilizes crane etc., moves from the relative position of the housing be placed in lower shell body 3d, 8d towards the operable position on Work places Pw.Upper shell 20u, after being positioned on multiple housings support platform 40, will maintain the state being configured in operable position.
Next, as shown in Figure 8, be installed in the middle of two stator blade quadrants 11 of the upper shell 20u on operable position, dismounting carried out to stator blade quadrant 11a wherein and prepares, be i.e. S13: the dismounting preparatory process of object quadrant.Below, as long as process this stator blade quadrant 11a, using this stator blade quadrant 11a as object quadrant 11a.
In the dismounting preparatory process (S13) of object quadrant 11a, first, the lower position of the object quadrant 11a on the upper shell 20u being installed on operable position is configured for the auxiliary support apparatus 50 bearing this object quadrant 11a.
At this, Figure 15 to Figure 17 is used to be described this auxiliary support apparatus 50.
As shown in figure 15, auxiliary support apparatus 50 possess a pair arc-shaped track 51, bear multiple rail supported pin 58 of this pair of tracks 51 and the chassis 61 of rail supported pin 58 be installed.
Track 51 has: the guide rail 52 of arc-shaped, the roller chain 55 be assemblied on this guide rail 52, be arranged on the side of guide rail 52 multiple Drop-proof component 57 and be arranged on the long side direction of guide rail 52 and circumferencial direction end prevent the break 59 that flies out.Guide rail 52 is formed as arc-shaped with the curvature that the curvature of the outer circumferential face 19o as shown in Figure 3 with stator blade quadrant 11 is corresponding.Roller chain 55 is commercially available products, has such as multiple chain link, the pin be connected to each other by chain link, the roller 56 be as shown in Figure 16 and Figure 17 rotatably installed on this pin.As shown in Figure 16 and Figure 17, guide rail 52 is formed with the key way 54, the flange 53 that are assembled with roller chain 55, and this flange 53 limits stator blade quadrant 11 to the vertical direction of opposite rail bearing of trend and transverse shifting.Key way 54 caves in toward the outer side from the center of arc side of the guide rail 52 of arc-shaped, and extends on the bearing of trend of this guide rail 52.In the middle of pair of tracks 51, the flange 53 of track 51 and the flange 53 of the track 51 of another side between interval larger a little compared with the width of the axial Da of the peripheral part 18 of stator blade quadrant 11.The peripheral part 18 of stator blade quadrant 11 is in the state of being clamped by pair of flanges 53, and is mounted in and is assemblied on the roller chain 55 of guide rail 52.As shown in figure 15, in the middle of the two ends of guide rail 52, relative to the tangent line in fact vertically direction of one end 52a.In addition, be provided with at the other end of guide rail 52 and above-mentioned prevent the break 59 that flies out.The side of guide rail 52, namely the long side direction of guide rail 52 be circumferentially provided with above-mentioned multiple Drop-proof components 57.As shown in figure 17, this Drop-proof component 57 be arranged on the side of guide rail 52, with formed pair of guide rails 52 opposite side side on.
As shown in figure 15, chassis 61 has stand 62, four steamboats 65, handles 68 of being provided with multiple rail supported pin 58.The plane view of stand 62 is formed as rectangular.Steamboat 65 has wheel 66, rotatably supports the wheel supporting seat 67 of this wheel 66.This steamboat 65 is installed in the below at four angles of the stand 62 of rectangular shape respectively.Handle 68 is the components being used for holding when operator mobile trolley used 61, and it is fixed on stand 62.
In addition, the track 51 of the auxiliary support apparatus 50 of present embodiment has: the guide rail 52 of arc-shaped, the roller chain 55 be assemblied on this guide rail 52, but also can replace roller chain 55, and selects to have multiple roller that the rotatable earth's axis supports on guide rail 52.In addition, therefore the friction between the same stator blade quadrant 11 that these roller chains 55 and roller are all used for alleviating the movement with stator blade quadrant 11 and produce is not necessity.
As shown in Figure 7 and Figure 8, in the configuration of the auxiliary support apparatus 50 of dismounting preparatory process (S13), with in the middle of a part for a formation fixed blade ring 10 and two stator blade quadrant 11a, the 11b of upper half part, in the below of stator blade quadrant 11a on one side and object quadrant 11a, and on the elongation line of the circular arc of the pair of guide rails 52 of auxiliary support apparatus 50, the mode that the blade annular groove 22 of the arc-shaped being equipped with this object quadrant 11a is existed, configures this auxiliary support apparatus 50.More specifically, with on the elongation line of the tangent line of one end 52a in pair of guide rails 52, be equipped with in the middle of the two ends of arc-shaped blade annular groove 22 of this object quadrant 11a, the mode that the side 22a existing for object quadrant 11a is existed, configures this auxiliary support apparatus 50.
Next, in the middle of the multiple stator blades 12 forming object quadrant 11a, first end stator blade 12a installs two bands 75a, 75b, described first end stator blade 12a be positioned at circumferencial direction Dc end and also in the position near auxiliary support apparatus 50 side.Next, band 75a on, link ends or the hook portion of the first chain block 71 sling from top are installed.Furthermore, on the band 75b of another side, install link ends or the hook portion of the second chain block 72, described second chain block is positioned at the position of the below of the guide rail 52 of relative auxiliary support apparatus 50.In the middle of these two chain blocks 71,72, the first chain block 71 sling from top is for preventing object quadrant 11a from falling rapidly, playing and prevent whereabouts from acting on.In addition, second chain block 72 of position being installed on below is in order to object quadrant 11a is extracted to below from the blade annular groove 22 of upper shell 20u, plays the effect of extracting.
Above after having set the first chain block 71 and the second chain block 72, the dismounting preparatory process (S13) of end object quadrant 11a.
Next, not shown mobile restriction apparatus is dismantled, described mobile restriction instrument be used to limit object quadrant 11a relative to upper shell 20u blade annular groove 22, towards the movement of circumferencial direction Dc.Subsequently, operate each chain block 71,72, object quadrant 11a is extracted downward from the blade annular groove 22 of upper shell 20u, i.e. S14: the dismounting mobile process of object quadrant.Now, the chain of the tension of the first chain block 71 preventing from falling is come up, the chain of the second chain block 72 extracted is rolled simultaneously.By the operation of these chain blocks 71,72, object quadrant 11a, on the first end stator blade 12a direction downward of circumferencial direction Dc, moves along blade annular groove 22.
After object quadrant 11a starts movement, this object quadrant 11a contacts the pair of tracks 51 of auxiliary support apparatus 50, while move along the track 51 of a pair arc-shaped.Specifically, the roller 56 of the roller chain 55 in pair of tracks 51 connects with the outer circumferential face 19o of object quadrant 11a.Roller chain 55 is along with the movement of object quadrant 11a, and this roller 56 rotates, while mobile in the key way 54 of the guide rail 52 of arc-shaped.
If object quadrant 11a moves to a certain degree, then as shown in Figure 9, by the movement of object quadrant 11a, chain block mounting fixture 76 is installed in the position vacated in the blade annular groove 22 of upper shell 20u.Furthermore, in the middle of the multiple stator blades 12 forming object quadrant 11a, be positioned at the end of circumferencial direction Dc and be positioned at mounting strap 75c on the second end stator blade 12b farthest away from auxiliary support apparatus 50 side.Further, chain block mounting fixture 76 installs the 3rd chain block 73, the link ends or hook portion of the 3rd chain block 73 are installed the band 75c be installed on the second end stator blade 12b.3rd chain block 73 is identical with by the first chain block 71 of slinging from top, for preventing object quadrant 11a from falling rapidly, plays the effect preventing from falling.Therefore, for the 3rd chain block 73, identical with the first chain block 71 sling from top, the operation of the chain of tension of carrying out coming up.
Carry out in the process of movement at object quadrant 11a in the pair of tracks 51 of auxiliary support apparatus 50, utilize the Drop-proof component 57 being arranged on guide rail 52 side, can prevent object quadrant 11a from coming off towards its side from pair of tracks 51.
As shown in Figure 10, if object quadrant 11a entirety is mounted in the pair of tracks 51 of auxiliary support apparatus 50, then illustrate that this object quadrant 11a is entirely removed from upper shell 20u.Now, by preventing the break 59 that flies out, prevent object quadrant 11a from flying out from the other end of guide rail 52.And all chain blocks 71,72,73 are as shown in Figure 9 disassembled from respective mounting point respectively.
Next, the object quadrant 11a dismantled from upper shell 20u is transported to and such as checks place or repair place etc., i.e. S15: the carrying operation of object quadrant.Now, first, operate the break of not shown auxiliary support apparatus 50, remove the mobile restriction of chassis 61.Next, as shown in Figure 10, the auxiliary support apparatus 50 being equipped with object quadrant 11a is moved from the lower position of upper shell 20u.In this process, by being arranged on Drop-proof component on the guide rail 52 of auxiliary support apparatus 50 57 and preventing the break 59 that flies out, limit the relative movement of the object quadrant 11a on auxiliary support apparatus 50 relative to guide rail 52, therefore, it is possible to carry this object quadrant 11a with stable state.Further, lift the object quadrant 11a on auxiliary support apparatus 50, moved to ground such as checking place.
Next, be confirmed whether the stator blade quadrant 11 do not dismantled in addition on upper shell 20u, in other words, be confirmed whether that all stator blade quadrants 11 all dismantle (S16) from upper shell 20u.
When the stator blade quadrant 11 that upper shell 20u does not dismantle in addition, to the below of upper shell 20u, not yet from the stator blade quadrant 11 that upper shell 20u dismantles, also with above-mentioned the same dismounting preparatory process (S13), the dismounting mobile process (S14) of stator blade quadrant 11, the carrying operation (S15) of stator blade quadrant 11 performing stator blade quadrant 11.
But, as shown in figure 11, the stator blade quadrant 11b managed herein is when jointly forming a part and upper half part of a fixed blade ring 10 with the stator blade quadrant 11a dismantled in advance, the dismounting preparatory process (S13) of the stator blade quadrant 11b managed herein, slightly distinguishes the dismounting preparatory process (S13) forming together the stator blade quadrant 11a of a group with this stator blade quadrant 11b.In addition, below, as long as process this stator blade quadrant 11b, using this stator blade quadrant 11b as object quadrant 11b.
As shown in figure 11, even if at the dismounting preparatory process (S13) of this object quadrant 11b, at the position configuration auxiliary support apparatus 50 of the below of object quadrant 11b.More specifically, with on the elongation line of the tangent line of one end 52a in pair of guide rails 52, be equipped with in the middle of the two ends of arc-shaped blade annular groove 22 of this object quadrant 11b, the mode that the side 22b existing for object quadrant 11b is existed configures this auxiliary support apparatus 50.Therefore, when configuring auxiliary support apparatus 50 in the dismounting preparatory process (S13) forming the stator blade quadrant 11a of a group with object quadrant 11b (Fig. 8), and, in the dismounting preparatory process (S13) of this object quadrant 11b when configuration auxiliary support apparatus 50 (Figure 11), in above-mentioned two steps, with axis Ar for benchmark, using the position of one end 52a of guide rail 52 as symmetrical position, the direction of auxiliary support apparatus 50 changes.
In addition, even if in the dismounting preparatory process (S13) of this object quadrant 11b, multiple chain block 71,72,73 is also provided with.That is, in the middle of the multiple stator blades 12 forming object quadrant 11b, first end stator blade 12a installs two bands 75a, 75b, described first end stator blade 12a be positioned at circumferencial direction Dc end and also in the position near auxiliary support apparatus 50 side.Next, band 75a on, link ends or the hook portion of the first chain block 71 sling from top are installed.Furthermore, the end of the chain of installation second chain block 72 or hook portion on the band 75b of another side, described second chain block 72 is arranged on the position of the below of the track 51 of relative auxiliary support apparatus 50.
At this, in the blade annular groove 22 being equipped with object quadrant 11b, and on the position vacated, also chain block mounting fixture 76 is installed forming the stator blade quadrant 11a of a group by dismounting with this object quadrant 11b.Next, in the middle of the multiple stator blades 12 forming object quadrant 11b, be positioned at the end of circumferencial direction Dc and be positioned at mounting strap 75c on the second end stator blade 12b farthest away from auxiliary support apparatus 50 side.Further, chain block mounting fixture 76 installs the 3rd chain block 73, the link ends or hook portion of the 3rd chain block 73 are installed the band 75c be installed on the second end stator blade 12b.
That is, in the dismounting preparatory process (S13) of this object quadrant 11b, by forming the dismounting mobile process (S14) of the stator blade quadrant 11a of a group and the 3rd chain block 73 arranged with this object quadrant 11b, be also set together with the first and second chain blocks 71,72.
If the dismounting preparatory process (S13) of this object quadrant 11b terminates, then as shown in figure 12, thereafter the same with to the process of the stator blade quadrant 11a forming a group with this object quadrant 11b, perform the dismounting mobile process (S14) of object quadrant 11b, and then, as shown in figure 13, the carrying operation (S15) of object quadrant 11b is performed.
Further, if confirm that all stator blade quadrants 11 all dismantle (S16) from upper shell 20u, then the operation dismantling whole stator blade quadrant 11 from upper shell 20u is terminated.
In addition, substantially do not move lower shell body 3d, 8d from the process of lower shell body 3d, 8d dismounting stator blade quadrant 11 and carry out.Now, along blade annular groove 22 by stator blade quadrant 11 from this lower shell body 3d, 8d toward pull-up, thus stator blade quadrant 11 to be dismantled from lower shell body 3d, 8d.
Next, according to the flow chart shown in Fig. 6, the erection sequence of fixed blade ring 10 is described.
First, upper shell 20u is placed on multiple housings support platform 40, that is upper shell 20u is configured in operable position, i.e. S20: housing arrangement step.But, when fixed blade ring 10 is dismantled by this, because upper shell keeps the state being configured at operable position, therefore do not need in the unloading process of fixed blade ring 10, again perform this housing arrangement step (S20).
Next, a stator blade quadrant 11b is transported to the Work places Pw of installation exercise from inspection place or repairing place etc., i.e. S21: the carrying operation of object quadrant.In addition, as long as process this stator blade quadrant 11b below, using this stator blade quadrant 11b as object quadrant 11b.Now, as shown in figure 13, be placed on carrying from inspection place or repairing place etc. the object quadrant 11b come on auxiliary support apparatus 50.
Next, the preparation be arranged on by object quadrant 11b on upper shell 20u is carried out, i.e. S22: the installation preparatory process of object quadrant.
In the installation preparatory process (S22) of this object quadrant 11b, first, as shown in figure 12, the auxiliary support apparatus 50 being equipped with object quadrant 11b is configured in the below of the blade annular groove 22 of the upper shell 20u being equipped with this object quadrant 11b.Even if in the configuration of this auxiliary support apparatus 50, identical during configuration also with the auxiliary support apparatus 50 carried out in the dismounting operation of stator blade quadrant 11, with on the elongation line of the circular arc of the pair of guide rails 52 at auxiliary support apparatus 50, the mode that the blade annular groove 22 of the arc-shaped of this object of assembling quadrant 11b is existed, configures this auxiliary support apparatus 50.More particularly, on the elongation line of the tangent line of one end 52a of pair of guide rails 52, in be equipped with this object quadrant 11b arc-shaped blade annular groove 22 two ends in the middle of, configure this auxiliary support apparatus 50, thus the end 22b of the side of assembling object quadrant 11b existed.
Next, on the blade annular groove 22 of upper shell 20u being equipped with object quadrant 11b, on position still empty after this object quadrant 11b is assemblied in this blade annular groove 22, chain block mounting fixture 76 is installed.Furthermore, in the middle of the multiple stator blades 12 forming object quadrant 11b, be positioned at circumferencial direction Dc end and near mounting strap 75c on the second end stator blade 12b of upper shell 20u side.In addition, the first end stator blade 12a also mounting strap 75a of another end of circumferencial direction Dc is positioned at.Further, the link ends or hook portion of the band 75a on first end stator blade 12a installing the first chain block 71 sling from top is being arranged on.In addition, chain block mounting fixture 76 installs the 3rd chain block 73, the link ends or hook portion of the 3rd chain block 73 are installed the band 75c be installed on the second end stator blade 12b.These first chain blocks 71 and the 3rd chain block 73 serve the effect be arranged on by object quadrant 11b on upper shell 20u.In addition, in the installation of this fixed blade ring 10, be not used in the second chain block 72 used when fixed blade ring 10 is dismantled.
As mentioned above, after terminating the setting of the first chain block 71 and the 3rd chain block 73, the installation preparatory process (S22) of end object quadrant 11b.
Next, as shown in figure 11, operate the first chain block 71 and the 3rd chain block 73, the object quadrant 11b on auxiliary support apparatus 50 is moved to top, namely 23: the installation mobile process of object quadrant.Now, the chain of the first chain block 71 and the 3rd chain block 73 is rolled.By the operation of these first chain blocks 71 and the 3rd chain block 73, object quadrant 11b at circumferencial direction Dc and on above-mentioned second end stator blade 12b direction upward, along the pair of guide rails 52 of auxiliary support apparatus 50 and upper shell 20u blade annular groove 22 and move.
If this object quadrant 11b is fully assembled on the blade annular groove 22 of upper shell 20u, then not shown mobile restriction apparatus is installed, described mobile restriction apparatus limit this object quadrant 11b in the movement to circumferencial direction Dc relative to upper shell 20.And all chain blocks 71,73 are dismantled from respective mounting point.More than terminate the installation mobile process (S23) to this object quadrant 11b.
Next, confirm whether all stator blade quadrants 11 are arranged on upper shell 20u (S24).When accepting housing still to exist uninstalled stator blade quadrant 11, also above-mentioned carrying operation (S21), the installation preparatory process (S22) of stator blade quadrant 11 and the installation mobile process (S23) of stator blade quadrant 11 equally performing stator blade quadrant 11.
But, when the stator blade quadrant 11 of managing herein forms a part and upper half part of a fixed blade ring 10 jointly with the stator blade quadrant 11b installed in advance, the installation mobile process (S23) forming together the stator blade quadrant 11b of a group with this stator blade quadrant 11a is distinguished by the installation mobile process (S23) of the stator blade quadrant 11a managed herein to some extent.In addition, as long as process this stator blade quadrant 11a below, using this stator blade quadrant 11a as object quadrant 11a.
Even if in the installation mobile process (S23) of this object quadrant 11a, operate the first chain block 71 and the 3rd chain block 73, by the object quadrant 11a on auxiliary support apparatus 50 toward pull-up.But if when this object quadrant 11a is assemblied in the blade annular groove 22 of upper shell 20u in a way, then this blade annular groove 22 is owing to being equipped with the stator blade quadrant 11b forming a group with this object quadrant 11a, and therefore rest has tailed off.Therefore, in this blade annular groove 22, just without the mounting zone of chain block mounting fixture 76 being provided with the 3rd chain block 73.Thus, in the installation mobile process (S23) of this object quadrant 11a, if this object quadrant 11a is assemblied on the blade annular groove 22 of upper shell 20u in a way, then dismantle the 3rd chain block 73 and chain block mounting fixture 76.As shown in figure 14, the substitute is and configure jack 80 below this object quadrant 11a, by this jack 80, object quadrant 11a is pushed upward.
If this object quadrant 11a is fully assembled on the blade annular groove 22 of upper shell 20u, then identical with the installation mobile process (S23) illustrated above, install mobile restriction apparatus, described mobile restriction apparatus limits the movement at the circumferencial direction Dc relative to upper shell 20 of this object quadrant 11a.Subsequently, the first chain block 71 and jack 80 are dismantled from this mounting point.
Next, confirm that all stator blade quadrants 11 to be installed on upper shell 20u after (S24), terminate the installation of all stator blade quadrants 11 to upper shell 20u.
In addition, substantially lower shell body 3d, 8d do not moved to the installation of the stator blade quadrant 11 of lower shell body 3d, 8d and carry out.Now, to this lower shell body 3d, 8d, by stator blade quadrant 11 along blade annular groove 22 towards being pushed down into, thus stator blade quadrant 11 is arranged on lower shell body 3d, 8d.
As mentioned above, if the installation of all stator blade quadrants 11 terminates, then utilize crane etc. that upper shell 20u is moved to the relative position of above-mentioned housing from operable position, i.e. S25: housing configures.Even if in the middle of the movement of this upper shell 20u, the movement of upper shell 20u during installation also with stator blade quadrant 11 is identical, maintains the parting plane 28u state downward of upper shell 20u, and mobile this upper shell 20u simultaneously.
Next, utilize housing connecting screw 26 and nut 27 to be connected upper shell 20u and lower shell body 3d, 8d (S26).By operating the installation exercise terminating fixed blade ring 10 above.
As mentioned above, in present embodiment, under parting plane 28 state downward of upper shell 20u, to this upper shell 20u, carry out dismounting and the installation of stator blade quadrant 11, therefore do not need the above-below direction making this upper shell 20u to reverse.Therefore, in present embodiment, do not need to use the heavy machineries such as crane for a long time in the configuration of upper shell 20u, thus the dismounting of fixed blade ring 10 and the cost required for installation can be controlled.Further, in present embodiment, do not need in order to the upper shell 20u that reverses, and deliberately improve the heights of ceilings of building, thus can space be saved, control original cost.That is, in the present embodiment, can control the cost spent by the installation and removal of the fixed blade ring 10 of housing.
In addition, by being placed on housings support platform 40 by upper shell 20u in present embodiment, thus this upper shell 20u is configured in operable position.Therefore, in present embodiment, when carrying out the installation and removal of stator blade quadrant 11 to the upper shell 20u on operable position, do not need to use crane etc. to be sling by this upper shell 20u.Thus, according to the present embodiment, do not need to use the heavy machineries such as crane for a long time, from controlling the dismounting of fixed blade ring 10 and the cost required for installing this angle further yet.And in present embodiment, when the installation and removal of stator blade quadrant 11, because upper shell 20u stablizes, therefore, it is possible to easily carry out the installation and removal of the stator blade quadrant 11 for this upper shell 20u.
In addition, in present embodiment, in the installation mobile process (S23) or dismounting mobile process (S14) of stator blade quadrant 11, when making to move between the space of stator blade quadrant 11 below upper shell 20u and this upper shell 20u, owing to employing auxiliary support apparatus 50, therefore, it is possible to the damage that stator blade quadrant 11 falls accidentally is reduced to minimum.Further, the guide rail 52 now along auxiliary support apparatus 50 moves stator blade quadrant 11, thus easily can carry out the installation and removal of the stator blade quadrant 11 for upper shell 20u by less strength.
In addition, in above mode of execution, in the installation mobile process (S23) or dismounting mobile process (S14) of stator blade quadrant 11, by band, by the link ends of chain block or hook portion, a stator blade 12 with stator blade quadrant 11 connects.But, as the substitute of band, also can on of stator blade quadrant 11 stator blade 12 mounting fixture, connect by the stator blade 12 of this fixture by the link ends of chain block or hook portion, stator blade quadrant 11.
In addition, in above mode of execution, in the installation mobile process (S23) or dismounting mobile process (S14) of stator blade quadrant 11, use chain block to carry out mobile object coaster, but such as when stator blade quadrant 11 compares light weight, also can not use chain block.
In addition, the housing of present embodiment is divided into two-part of upper shell 20u and lower shell body 3d, 8d, but also goes for the situation being divided into multiple part.In this case, in more than 3 partial shell, using the partial shell that covers on the upside of rotor as object housing, by under the parting plane of this object housing state downward, mobile and configure this object housing.
In addition, in above mode of execution, be illustrated, but the present invention is not limited thereto for the compressor 1 possessing fixed blade ring 10, as long as possess fixed blade ring, such as steam turbine etc., other rotating machineries, be also all applicable to the present invention.
Industrial applicibility
According to a kind of form of the present invention, the cost spent by the fixed blade ring of housing is installed and dismantled can be controlled.
Symbol description
1 compressor
2 compressor drums
3 compressor housings
3u, 7u, 8u, 20u upper shell
3d, 7d, 8d lower shell body
4 burners
5 turbo machines
6 turbine rotors
7 turbine cylinders
8 compressors are held concurrently turbine cylinder
10 fixed blade rings
11,11a, 11b stator blade quadrant (object quadrant)
12 stator blades
18 peripheral parts
19o outer circumferential face
22 blade annular grooves
28u, 28d parting plane
40 housings support platforms
50 auxiliary support apparatus
51 tracks
52 guide rails
55 roller chains
56 rollers
61 chassis
71 first chain blocks
72 second chain blocks
73 the 3rd chain blocks
76 chain block mounting fixtures

Claims (10)

1. the assembly and disassembly methods of a fixed blade ring, it is the assembly and disassembly methods of the fixed blade ring in rotating machinery, described rotating machinery possesses: the rotor rotated centered by axis, rotatably cover described rotor housing and centered by described axis, form ring-type and be arranged on the fixed blade ring of described housing inner circumferential side, and
Described fixed blade ring centered by described axis circumferentially, multiple stator blade quadrant can be divided into, described housing circumferentially can be divided into multiple partial shell described, in multiple described partial shell respectively with described axis for benchmark, cave in outside diametric(al) inside diametric(al), the blade annular groove circumferentially extended described in being formed in
Multiple described stator blade quadrant is assemblied in the blade annular groove of any one partial shell in multiple described partial shell,
It is characterized in that, perform following operation:
Housing arrangement step, described object housing is configured in and guarantees the stator blade quadrant of installing or be arranged on described object housing and object quadrant to be configured on the operable position in the space below described object housing by any one partial shell and object housing in the middle of multiple described partial shell with the parting plane between other partial shell downward by it;
Quadrant mobile process, described object quadrant moves towards described circumferencial direction for the object housing be configured on described operable position by it, and is configured in the space below described object housing, or is assemblied in the blade annular groove of described object housing.
2., according to the assembly and disassembly methods of the fixed blade ring described in claim 1, it is characterized in that,
Described housing, as multiple partial shell, have the upper shell formed on the upside of described housing and the lower shell body formed on the downside of described housing, described object housing is described upper shell.
3. the assembly and disassembly methods of fixed blade ring according to claim 2, is characterized in that,
In described housing arrangement step, be configured between the relative position of housing on described lower shell body and described operable position at described upper shell, maintain the parting plane state downward of described upper shell, and move described upper shell simultaneously.
4. the assembly and disassembly methods of fixed blade ring according to any one of claim 1 to 3, is characterized in that,
In described housing arrangement step, by described object housing is placed on support described object housing from below housings support platform on, thus described object housing is configured on described operable position, and maintain the state that described object housing is configured in described operable position.
5. the assembly and disassembly methods of fixed blade ring according to any one of claim 1 to 4, is characterized in that,
In described quadrant mobile process, use the auxiliary support apparatus supporting described object quadrant, support the object quadrant in the space being configured or being configured at below described object housing.
6. the assembly and disassembly methods of fixed blade ring according to claim 5, is characterized in that,
Described auxiliary support apparatus have relative with the outer circumferential face of described object quadrant, form arc-shaped to correspond to the curvature of described outer circumferential face curvature and support the guide rail of described stator blade quadrant,
In described quadrant mobile process, be equipped with so that the elongation line of the circular arc of the guide rail at described auxiliary support apparatus to exist or will the mode of the blade annular groove of the object housing of described object quadrant be assembled, configure described auxiliary support apparatus, and described object quadrant is moved along described blade annular groove and described guide rail.
7. the auxiliary support apparatus of a stator blade quadrant, it is characterized in that, have relative with the outer circumferential face of the stator blade quadrant of a part for the circumferencial direction of the fixed blade ring formed in the form of a ring, form arc-shaped with the curvature corresponding to described outer circumferential face curvature and support the guide rail of described stator blade quadrant.
8. the auxiliary support apparatus of stator blade quadrant according to claim 7, is characterized in that,
In the two ends of described guide rail, relative to the tangent line vertically direction of one end.
9. the auxiliary support apparatus of the stator blade quadrant according to claim 7 or 8, is characterized in that,
Described guide rail is provided with and contacts with described stator blade quadrant and the multiple rollers rolled.
10. the auxiliary support apparatus of the stator blade quadrant according to any one of claim 7 to 9,
It possesses and is provided with described guide rail and transportable chassis.
CN201380069666.6A 2013-03-14 2013-10-23 The assembly and disassembly methods of fixed blade ring and the auxiliary support apparatus of the stator blade segment of use the method Active CN104903550B (en)

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JP2013051664A JP6082285B2 (en) 2013-03-14 2013-03-14 Method for removing / attaching stator blade ring, and auxiliary support device for stator blade segment used in this method
PCT/JP2013/078696 WO2014141521A1 (en) 2013-03-14 2013-10-23 Method for attaching/removing stationary blade ring and auxiliary support device for stationary blade segment used in said method

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CN104903550B (en) 2016-09-21
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US20150354597A1 (en) 2015-12-10
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DE112013006816T5 (en) 2015-12-17
WO2014141521A1 (en) 2014-09-18

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